Heating-medium control for charge-forming devices



June ,1 w. s. HEGINBOTTOM HEATING MEDIUM CONTROL FOR CHARGE FORMING DEVICES Filed Sept. 8, 192-5 2 Sheets-Sheet 1 June 24, 1930. w. G. HEGINBOTTOM HEATING MEDIUM CONTROL FOR CHARGE FORMING DEVICES Filed Sept. 8, 1923 2 Sheets-Sheet 2 valves detached.

Patented June 24, 1930 UNITED STATES PATENT OFFIE WALTER G.

RICHARD FRANCIS, OF FLINT, MICHIGAN HEATING-MEDXUM CONTROL FOR CHARGE-FORMING DEVICES Application filed September 8, 1923.

This invention relates to certain new and useful im rovements in heating medium control for charge forming devices used in con nection with internal combustion engines and more particularly to means for controlling the volume of exhaust gases passing through the heating chamber, whereby the volume of exhaust gases can be regulated irrespective of the movement of thethrottle valve actuated controlling means.

Another object of the invention is to pro vide the inlet or outlet of the heating chamher with two concentrically arranged valves, one being actuated by the movement of the throttle and the other manually controlled from the dash of the motor vehicle whereby the volume of exhaust gases passing through the heating chamber can be controlled to a nicety, as by adjusting the manually operated valve in respect to the throttle actuated valve, the throttle actuated valve can be allowed to move without afiecting the volume of exhaust gases passing'through the heating chamber.

Another and still further object of the invention is to provide a construction of heat ing means control which is very simple and cheap to manufacture, the parts being so arranged that the two valves can be easily and quickly attached or detached.

Other and further objects and advantages of the invention will be hereinafter set forth and the novel features thereof defined by the appended claims.

In the drawings,

Figure 1 is a side elevation of an internal combustion engine showing the application of my improved construction of heating means control thereto, the charge forming device being shown partly in section;

Figure 2 is a section taken on line 2-2 of to Figure 1, the casing being broken away show the valve;

Figure 3 is a section Figure 2; and

Figure 4 is a taken on line 3-3 detail perspective view of the In the drawings 1 indicates an internal combustion engine which is provlded with an exhaust--manifold 2 and an lntake manr Serial No. 661,616.

fold 3, to the lower end of which is connected a charge forming device 4 provided with a throttle valve 5 carried by stem 6 having a collar 7 secured on the outer end thereof provided with an arm 8 for the purpose hereinafter fully described.

The form of intake and exhaust manifold herein shown is especially constructed to be used in connection with a Ford automobile and while I have shown details of construction of manifold, it is, of course, understood that I do not-wish to limit myself to any details of construction, as I am aware that the design of manifold and type of charge forming device herein shown can be modified without departing from the spirit of my invention.

The intake manifold 3 is provided with a heat chamber 9 for heating the explosive charge in its passage from the charge forming device to the internal combustion engine, said heating chamber being provided with inlet pipes 10 and 11 provided with collars 10 and 11 which are adapted to fit over the outlets of the exhaust ports of the internal combustion engine and in which are arranged the branch portions 2 of the exhaust manifold and are preferably so formed that the heat is directed towards the heating chamber. This provides means for supplying exhaust gases to the heating chamber 9 in a novel manner as shown and described in my pending application.

The heating chamber 9 is provided with a socket 12 at its lower end in which are disposed a pair of concentrically arranged barrel-shaped valves 13 and it provided with outlet ports 15 and 16, which are capable of being brought into registry as shown in Figure 3 or moved out of alignment with one another.

The valve 13 is provided with open ends and at its lower end has an annular collar 17 formed therein provided with stops 18 for limiting the rotary movement thereof and an arm 19 for oscillating the valve within the socket.

The valve 14 is provided with a closed lowor end having a collar 20 provided with an arm 21 for oscillating the same. The valve 14 fits within the valve 13 and the valve 13 tits snuglv within the socket 12. the two valves being held within the socket by a spring member 22. The arm 8 carried by the throttle valve stem 6 is connected to the arm 19 of the valve 13 by an adjustable link so that as the throttle valve oi the charge forming device is opened and closed, the valve 13 is oscillated within the socket.

Connected to the arm 21 of the valve 14 is an adjustable link 24 having its outer end connected to an arm 25 carried by an oscillating shaft 26 extending to the dash of the motor vehicle and adapted to be oscillated manually so as to oscillate the valve 14 within the valve 13 whereby the relative positions of the ports 15 and 16 of the valves 13 and 14 can be shifted from the dash of the motor vehicle to control the volume of exhaust gases passing through the heat chamber so that the throttle controlled heating medium operates from maximum flow of heatin r medium at closed throttle to minimum ow of heating medium at wide open throttle.

The socket 12 is provided with an outlet port to which is connected a pipe 27 having a collar adapted to communicate with the exhaust of the internal combustion engine whereby the exhaust gases entering the heating chamber 9 are returned to the exhaust line. The collar or fitting 28 being so constructed and connected to the exhaust that the outgoing gases from the cylinder have a svphon effect on the heating chamber through tie ipe 27 which causes a circulation of the eating medium through the heating chamber as shown and described in my pendin application.

In the operation of the heating means control as herein shown and described, when it is desired to retain the flow of exhaust gases through the heat chamber as the throttle valve is moved into open position, the dash control rod 26 is shifted so that the valve 13 actuated by the throttle valve of the charge forming device is capable of moving without closing the outletport and the full volume of exhaust gases circulate through the heatchamber irrespective of the position of the throttle valve.

By shifting the valve 5 from the dash of the motor vehicle, the relative position of the ports 15 and 16 can be changed so that the movement of the throttle valve will gradually decrease the application of heat as by the use of two concentric valves, the flow of exhaust gases through the heat chamber can be retarded or allowed to pass freely therethrough. V

In operating a motor vehicle in cold weather, it is desirable to have means for applying the full volume oi exhaust gases irrespective of the position of the throttle valve until the engine to which the charge forming device is connected is warm and by the particular construction of valves as herein shown, I am able to control the applicat ion of the heat from the dash irrespective of the movement of the throttle.

In hotweather it is'desirable to a ply the heat only for starting purposes and y shifting the valve 14 from the dash, the outlet of the heat chamber can be closed so that the heat will only be applied to the charge on starting.

It will be seen that through the various adjustments of the valves, the application of heat can be controlled to a nicety as the position of the valves regulate the volume of exhaust gases passing through the heat chamber.

While in the drawings I have not shown the lever on the dash for controlling the position of the valve 14, it is, of course, understood that various forms of control levers can be used and therefore I do not wish to limit myself to any particular construction of dash control lever, as my invention consists in providing a dash control broadly controlling the position of one valve or a pair of concentrically arranged valves.

From the foregoing description it will be seen that I have provided a heating medium control for charge forming devices in which a heat chamber is provided with an outlet con- J trolled b a pair of concentrically arranged sleeve va ves, one of said valves being capable of being adjusted from the dash of the motor vehicle to which the charge forming device is connected so that the opening of the outlet of the heat chamber can be controlled to a nicet-y, as by adjusting the dash controlled valve, the throttle actuated valve is'allowed to move a predetermined distance without closing the outlet of the heating chamber, whereby the application of heat to the charge can be controlled to a nicety. Through the various adjustments of the dash controlled valve, the opening and closing of the throttle actuated valve is controlled to a niccty so that the flow of the heating medium can be controlled at the will of the operator of the motor to which the charge forming device is attached.

l \Vhlle 1n the drawing and specification I have shown and described the outlet of the heating chamber provided with a concentrically arranged valve, I am aware that the inlet of the heating chamber can be provided with valves instead of the outlet so as to control the flow of exhaust gases through the heating chamber and therefore I do not wish to limit myself to the application of the concentric valves to either inlet or outlet, as my invention consists broadly in controlling the flow of exhaust gases through a heating chamber by a pair of concentrically arranged valves, one being actuated by the movement of the throttle of the charge forming device and the other being manually controlled bustion engine having an exhaust manifold,

intake manifold and charge forming device connected thereto provided with a throttle valve controlling the passage of explosive fluid to the engine, of a heating chamber disposed adjacent said intake manifold in communication with the exhaust having a socket. a pair of concentrically arranged valves controlling the outlet of the socket of said heating chamber, one of said valves being actuated by the movement of the throttle valve of the charge forming device and the other valve being manually controlled for regulating the volume of exhaust gases passing through said heatingchamber.

2. A heating medium control for charge forming devices comprising a heating chamber having a socket provided with an outlet. a pair of valves provided with ports controlling said outlet, one of said valves being manually operated for adjusting the posi tion of its port in respect to the outlet of the port of the other valve.

A heating medium control for charge forming devices comprising a heating chamber provided with a socket having an inlet and outlet, a pair of sleeve valves provided with registering ports mounted in said outlet, and independent means for operating said valves.

l. A heating medium control for charge forming devices comprising a heating chamber having an inlet and outlet, a pair of sleeve valves provided with registering ports mounted in said outlet, and independent means for operating said valves. one of said means being controlled by the throttle valve of said charge forming device.

The combination with an internal combustion engine having an exhaust manifold, intake manifold and charge forming device connected thereto provided with a throttle valve, of a heating chamberarranged to heat the explosive charge in its passage to the internal combustion engine, said chamber being provided with inlets and outlets in communication with said exhaust, a pair of concentrically arranged valves for controlling the outlet to said heating chamber and means for adjusting the relative position of said valves in respect to one another by allowing one valve to move a predetermined distance without opening the outlet of said heating chamber.

6. A heating medium control for a charge forming device comprising a heating chamber having an inlet and outlet, a pair of concentrically arranged valves provided with ports arranged over said outlet, one of said valves being actuated by the throttle valve of the charge forming device and means for adjusting the other valve controlling the passsage of heating medium through said heat chamber.

7. The combination with an internal combustion engine having an exhaust manifold, intake manifold and a charge forming device connected thereto provided with a throttle valve, of a heating chamber disposed to heat the charge in its passage from the charge forming device to the internal combustion engine, said heat chamber being provided with an inlet in communication with the exhaust, a socket formed in said heat chamber having an outlet in the wall thereof in communication with the exhaust, a pair of concentrically arranged sleeve valves detachably mounted in said socket, a spring for holding said valves in said socket, dash controlled means for adjusting one of said sleeve valves in respect to the outlet and means actuated by the movement of the throttle valve for actuating the other sleeve valve.

8. The combination with an internal combustion engine having an exhaust manifold and an intake manifold having a charge forming device connected thereto provided with a throttle valve, of a heating chamber arranged to heat the charge in its passage from the charge forming device to the inter nal combustion engine, said heating chamber being provided with inlet and outlet ports, a sleeve valve provided with a port adjustably mounted over said outlet port of said heat chamber, a second sleeve valve mounted concentrically over the first mentioned sleeve valve provided with a port and a connection between the second mentioned sleeve valve and the throttle valve of the charge forming device.

9. A heating medium control for charge forming devices comprising a heating chamber provided with inlets and outlets in communication with the exhaust, a pair of valves provided with ports for controlling the passage of exhaust gases through said heating chamber, one of said valves being manually operated for adjusting the position of the port in respect to the port of the other valve for controlling the passage of exhaust gases through said heating chamber.

10. The combination with an internal combustion engine having an exhaust manifold, intake manifold and charge forming device connected thereto provided with a throttle valve controlling the passage of explosive fluid to the engine, of a heating chamber for heating the charge in its passage to said engine, said heating chamber being in communication with the exhaust of the engine, a pair of concentrically arranged valves for controlling the passage of exhaust gases 7 ill) through said heating chamber, one of said valves being actuated by the movement of the throttle valve of the charge forming device and the other valve being manually controlled for regulating the volume of exhaust gases passing through said. heating chamber.

11. An intake manifold for internal combustion engines having a charge forming device connected thereto and provided with a heating chamber having inlet and outlets in communication with the exhaust, said heating chamber being provided with a socket, a pair of valves provided with ports mounted in said socket for controlling the passage of exhaust gases through said heatin chamber, one of said valves being manuaTly operated for adjusting the osition of the port in respect to the port 0 the other valve for controlling the passage of exhaust gases through said heating chamber.

12. The combination with an internal combustion engine having an exhaust manifold, intake manifold and a charge forming device connected thereto provided with a throttle valve, of a heating chamber disposed to heat the charge produced b Y said charge forming device, said heating chamber being in communication with the exhaust of said engine, a pair of oscillating valves having registering ports for regulating the volume of exhaust gases passing through said heating chamber, means for adjusting one of said valves and holding itin adjusted position and means for actuatin the other valve by the movement of the t irottle valve of the charge formin device.

%n testimony whereof I hereunto aflix my signature.

\VALTER G. HEGINBOTTOM. 

